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Exposure to traffic noise linked to higher dementia risk

Reducing noise is a public health priority, say experts.

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Photo by Hermes Rivera from Unsplash.com

Exposure to noise from traffic on roads and railways over a long period is associated with a higher risk of developing dementia, especially Alzheimer’s disease, suggests a study from Denmark published in The BMJ

The researchers estimate that as many as 1,216 out of the 8,475 cases of dementia registered in Denmark in 2017 could be attributed to these noise exposures, indicating a great potential for dementia prevention through reduction in traffic related noise. 

Worldwide, the number of people with dementia is expected to exceed 130 million by 2050, making it a costly and growing global health crisis. Besides well established risk factors, such as cardiovascular diseases and unhealthy lifestyle, environmental exposures may also play a role in the development of dementia.

Transportation noise is considered the second worst environmental risk factor for public health in Europe after air pollution, and around a fifth of the European population is exposed to transportation noise above the recommended level of 55 dB (decibels).

Studies have consistently linked transportation noise to various diseases and health conditions, such as coronary heart disease, obesity, and diabetes. There is, however, little research on transportation noise and dementia and findings are inconsistent.

To address this, researchers investigated the association between long term residential exposure to road traffic and railway noise and risk of dementia among two million adults aged over 60 and living in Denmark between 2004 and 2017. 

The researchers estimated road traffic and railway noise at the most and least exposed sides (or façades) of all residential addresses in Denmark. 

They then analysed national health registers to identify cases of all-cause dementia and different types of dementia (Alzheimer’s disease, vascular dementia, and Parkinson’s disease related dementia) over an average of 8.5 years.

They found 103,500 new cases of dementia during the study period.

After taking account of potentially influential factors related to residents and their neighbourhoods, the researchers found that a 10-year average exposure to road traffic and railway noise at the most and least exposed sides of buildings was associated with a higher risk of all-cause dementia.

These associations showed a general pattern of higher risk with higher noise exposure, but with a levelling off or even small declines in risk at higher noise levels.

Further analysis by type of dementia showed both road traffic and railway noise were associated with a higher risk of Alzheimer’s disease – up to 27% higher for exposure to road traffic noise of 55 dB and up to 24% higher for exposure to railway noise of 50 dB compared with less than 40 dB.

However, only road traffic noise was associated with an increased risk of vascular dementia, and not railway noise.

Possible explanations for an effect of noise on health include release of stress hormones and sleep disturbance, leading to a type of coronary artery disease, changes in the immune system and inflammation – all of which are seen as early events in the onset of dementia and Alzheimer’s disease.

This is an observational study so can’t establish cause, and the authors point to some limitations such as a lack of information about lifestyle habits, which can play a part in a person’s risk of developing dementia, and a lack of information on factors such as sound insulation in homes that might affect personal exposure to noise.

However, the study’s strengths included its large size, long follow-up time, and high quality assessment of noise exposure from two different transportation sources.

As such, the authors conclude: “If these findings are confirmed in future studies, they might have a large effect on the estimation of the burden of disease and healthcare costs attributed to transportation noise. Expanding our knowledge on the harmful effects of noise on health is essential for setting priorities and implementing effective policies and public health strategies focused on the prevention and control of diseases, including dementia.”

This large and comprehensive study has substantial strengths, but does not present the full picture of possible harm to the ageing brain associated with long term exposure to noise, for example from airports, industrial activities, or occupational exposure, say US researchers in a linked editorial.

Noise might also affect the risk of other chronic disorders such as high blood pressure, through which noise contributes indirectly to dementia risk, they add. 

The widespread and substantial exposures to noise worldwide, the severity of associated health consequences, and the limited tools available for people to protect themselves, strongly support the WHO’s argument that “noise pollution is not only an environmental nuisance but also a threat to public health,” they write.

“Reducing noise through transportation and land use programs or building codes should become a public health priority,” they conclude.

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Celebrating World School Milk Day by making milk safe and accessible to Filipino school children

Tetra Pak believes that attaining a sustainable future is anchored on initiatives protecting people and the planet. That is why alongside its efforts in ensuring safe nutrition for children, Tetra Pak is also helping promote sustainability in various communities by providing recycling training for teachers and students.

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In light of World Milk School Day, a global event celebrating the benefits and success of school milk programs, world-leading food processing and packaging solutions company, Tetra Pak, draws attention to the role of multi-stakeholder collaborations to sustainably address childhood nutrition by making fresh milk safe and accessible for everyone.

In the Philippines, Republic Act 11037 also known as an Act Institutionalizing a National Feeding Program for Undernourished Children in Public Day Care was a breakthrough development that mothered the School-Based Feeding Program (SBFP) of the Department of Education.

For the 2020-2021 School Year, it surpassed the target of providing nutritious food products and pasteurized or sterilized milk to 1.7 million beneficiaries from primary public school students in daycare, kindergarten, and elementary schools across the country. Despite the many challenges posed by the COVID-19 pandemic, DepEd SBFP recorded an achievement rate of 183.46% for the milk component and  198.15% for the Nutritious Food Products (NFP) component for the 2020-2021 School Year.  

As the SBFP aims to reach more schoolchildren and communities, RFM Corporation, a home-grown food and beverage leader, highlights the advantages of using UHT milk or milk that went through Ultra High-Temperature pasteurization, thus is safer and has a longer shelf life. This is an important feature considering infrastructure challenges and the lack of refrigeration to distribute the milk in far-flung areas.

Tetra Pak has been helping RFM Corporation deliver Selecta Kids Fortified Milk in Tetra Wedge® Aseptic 200ml Slim, a carton package that protects both the nutritional value and the taste of the milk for up to 12 months. Introduced in 2021, so that children in various parts of the country could have access to safe nutrition, Tetra Wedge® Aseptic Slim uses aseptic technology to ensure that the packaging materials and product inside it are free from harmful bacteria. Like all Tetra Pak carton packages, it’s made of renewable materials and recyclable paperboard, making it one of the best ways to feed the future sustainably.

According to Ms. Marie Concepcion-Young, Senior Vice President and General Manager, Consumer Group of RFM Corporation, “Milk help school kids reach their physical and cognitive potential. Aside from making it accessible, it is imperative that the milk stays fresh and safe even as we transport it to hard-to-reach areas or those with limited storage facilities.” 

During the first phase of SBFP Milk Component, Selecta Kids Fortified Milk in Tetra Wedge® Aseptic 200ml Slim was delivered to schools in Bicol, Davao, and Soccsksargen regions benefitting 359,557 school children. Tetra Pak together with Tetra Laval Food for Development is likewise providing practical support where they share best practices in school milk programs organization and implementation, as well as providing environmental education.

“For decades, we have been working with our customers and relevant stakeholders to support school feeding programs around the world because we believe these are effective in addressing poor health and nutrition in disadvantaged communities,” said Michael Wu, Managing Director, Tetra Pak Malaysia, Singapore, Philippines, and Indonesia.

He adds that “We are committed to making food safe and available, everywhere.  That is why we make sure that school children get all the goodness of milk to have the energy to stay in school and get that brain boost they need for learning.”

Tetra Pak believes that attaining a sustainable future is anchored on initiatives protecting people and the planet. That is why alongside its efforts in ensuring safe nutrition for children, Tetra Pak is also helping promote sustainability in various communities by providing recycling training for teachers and students.

“Whether it is addressing food availability or environmental concerns, we believe that real, lasting impact in society can be achieved if stakeholders work together,” Wu concludes.

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The Bellevue Resort leads international coastal cleanup #SeaTheChange in Bohol

The Bellevue Resort – Bohol is a two-time ASEAN Green Hotel awardee, proudly a leader for sustainability.

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More than half a thousand volunteers from local organizations and private sectors, including frontliners, professionals, employees, students, divers, and many more gathered together to collect and segregate an estimated 1,713 kg of non-biodegradable waste at the recently concluded 37th International Coastal Cleanup (ICC) day hosted by The Bellevue Resort in Doljo Beach, Panglao, Bohol.

The Bellevue Resort – Bohol is a two-time ASEAN Green Hotel awardee, proudly a leader for sustainability. This eco-friendly five-star hotel has consistently spearheaded meaningful initiatives for responsible tourism in Bohol since its opening in 2012. Today the resort continues to head and take part in various efforts to promote environmental protection and conservation in the Philippines.

To know more about the resort, visit www.thebellevuebohol.com.

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5 Affordable and simple ways everyone can be an eco warrior

Understanding that collective effort is the way to go, retail giant SM Supermalls is committed to helping all Filipinos make more environmentally friendly choices in every aspect of their life.

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From changing weather patterns to disease outbreaks, we are already feeling the effects of global warming. We need to act now and work together in protecting the planet.

Understanding that collective effort is the way to go, retail giant SM Supermalls is committed to helping all Filipinos make more environmentally friendly choices in every aspect of their life.

“Many people care about the planet but find it hard to create a green lifestyle because of limited time or budget. That’s why we have community programs that make it more convenient and affordable to be an eco-warrior,” says Jonjon San Agustin, SVP for Marketing, SM Supermalls.

Here are five easy ways on how you and your family can live greener.

Segregate your trash and Trash to Cash

Segregating your biodegradable and recyclable waste reduces the amount of trash that goes into landfills. Have separate containers for different kinds of trash: biodegradable for food and garden waste; recyclable for plastic, paper, and metal waste; residual waste for trash that can’t be recycled including used tissue or paper plates; electronic waste for old batteries or broken gadget which shouldn’t be mixed with other waste because they contain metals that can contaminate the soil.

You can bring your recyclable waste to SM Supermalls’ Trash to Cash Recycling Market, held 10 am to 2 pm on every first Friday and Saturday of the Month. Visit this link to find the kiosk locations near you.

Limit the use of plastic through Plastic Waste Collection

Did you know that it takes plastic over 1,000 years to decompose?

About 10% of plastic materials will end up in the ocean and can kill marine life. In the Philippines, plastic waste often congests sewage systems causing floods. You can avoid using single use plastic by bringing your own reusable containers or eco bags when going to the groceries.

You can also buy items in eco-friendly packaging.

Plastic cutlery and straws are optional during order delivery or takeout. For dine-in, you can have your own eco-kit which has a drinking bottle, a set of utensils, and a foldable eco bag. Go green anytime and anywhere!

You can also recycle your plastic waste through SM Supermalls’ Plastic Waste Collection programs. Make it a fun weekend and volunteer for SM by the Bay and SM Mall of Asia’s regular ocean clean-up drives.

Plant a garden

Plants help stop climate change by removing carbon dioxide from the air. If you don’t have a large yard for a garden, you can still get houseplants! There are many creative and beautiful ways to add more plants to a small home like using a backless bookshelf or installing vertical gardens.

Get plants, tools, and expert tips on how to take care of your home garden at SM Mall. You can also find beautiful containers like terrariums and plant hangers that are made by Filipino SMEs.

Buy eco-friendly products

Choose more environmentally friendly products to gradually create a sustainable lifestyle.

Environmentally friendly products can be reusable or biodegradable. They are usually made from sustainable materials with eco-friendly packaging. They also produced less toxic waste during manufacturing and after disposal.

You can find thousands of eco-friendly products within SM malls through the recently launched Green Finds pop-up stores. The selection of products can help go green in every aspect of your life.

Reuse as much as you can

Before you throw anything away, consider if the item can be either upcycled into something useful, or donated to someone who needs it. SM holds regular toy and book drives, where you can even get discount vouchers to use in the store.

Join the Green Movement

The SM Green Movement is a collective effort of SM, its customers, communities, and partners to promote green living, green culture and a green planet. For more information, visit this website.

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